Finding the Fourth Proportional to 56,958.39, 78,602.81 and 31,807.89

Step by Step Solution

1. Step 1: Write the proportion equation
   56,958.39 : 78,602.81 = 31,807.89 : x
2. Step 2: Convert to fraction form
   56,958.39/78,602.81 = 31,807.89/x
3. Step 3: Cross multiply
   56,958.39x = 78,602.81 × 31,807.89
4. Step 4: Simplify right side
   56,958.39x = 2,500,189,375.13
5. Step 5: Solve for x
   x = 2,500,189,375.13/56,958.39
6. Step 6: Final answer
   x = 43,895.01